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mr Goodwill [35]
3 years ago
14

Which of the following best describes the scientific idea regarding primordial soup?

Biology
1 answer:
bija089 [108]3 years ago
5 0

It refers to the idea the prehistoric oceans combined with lightning formed the building blocks of life.

Explanation:

The primordial soup refers to the idea that prehistoric oceans combined with lightning to form the building blocks of life.

The soup can be regarded as the soup of life through which the first nuclei acids were synthesized.

  • It was a hypothesized set of conditions available when the earth was initially formed about 4.5 billion years ago.
  • The miller-urey experiment was set up in 1930's to demonstrated this soup of life.

Learn more:

Earth brainly.com/question/4545456

#learnwithBrainly

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Extra glucose is stored were
CaHeK987 [17]

Answer:

Extra glucose is stored in the liver as the large compound called glycogen.

Explanation:

6 0
3 years ago
Sympathetic preganglionic neurons emerge from the __________ portion of the spinal cord.
SCORPION-xisa [38]
There are choices for this question namely:

<span>A. cranial
B. lumbar
C. thoracic
D. sacral
E. lumbar and thoracic
</span>
The correct answer is "lumbar and thoracic". The sympathetic nervous system has its preganglionic neurons at the thoracolumbar region of the spinal cord (T1 to L2 or L3) and will synapse to its corresponding ganglion near the spinal cord called the paravertebral ganglia. This is in contrast to parasympathetic nervous system where its preganglionic neurons are found in the cranial and sacral (hence craniosacral) regions and synapse to its corresponding ganglion near the effector organ.
7 0
3 years ago
A population of 200 mice contains 168 brown mice. brown is dominant to gray. how much of the population would be heterozygous?
Ainat [17]

84%

84% of the population of mice would be heterozygous.

<h3>What does heterozygous mean?</h3>

Heterozygous refers to the presence of two different allele types for the same gene. For a single gene, these alleles display two distinct character types. An illustration would be someone with an allele for both brown and black hair.

There are 200 mice in total, 168 of which are brown.

By the Hardy–Weinberg (HW) equilibrium

q² (bb) = (200 - 168) /200 = 32 / 200 = 0.16

q: √ 0.16 = 0.4

p = 1 - q = 1 - 0.4 =  0.6

p² (BB) = 0.6 x 0.6 = 0.36

Thus, 84% of the population of mice would be heterozygous.

<h3>What is meant by population heterozygosity?</h3>
  • Given that q2 is significantly smaller than 2pq when q is close to zero and p2 is significantly smaller than 2pq when p is close to zero, rare alleles are mostly found in heterozygotes.
  • This is known as population heterozygosity.

To learn more about heterozygous population visit:

brainly.com/question/20113812

#SPJ4

7 0
2 years ago
Why do scientists believe that the first organisms on Earth were extremophiles?
ololo11 [35]

Answer:

Explanation:extremophiles are the organisms that are capable of growth and survival in extreme conditions, such as hot springs, depths of oceans, dry places, harsh chemical environments, and deep inside earth

5 0
3 years ago
What would happen to Earth’s tides if the distance between Earth and the Moon increased?
saw5 [17]
The tides would become weaker, but we would not lose them completey because we would still have the tides caused by the Sun.
8 0
3 years ago
Read 2 more answers
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